Charles Biderman explains why he believes the level of risk in the U.S. stock market is higher now than at any other point in his 40-year career. Traditional investors were not responsible for the rally that has lifted the market cap of all U.S. stocks by about $6 trillion from the March 2009 lows. Neither companies nor retail investors nor hedge funds nor pension funds have been driving the stock market's gains.watch 4min video here: https://www.youtube.com/watch?v=_wpHFBAJbXgRead more…
